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Miguel Angel Simon Sierra
3d92436066
U3 fixed "add keyframe at playhead" widening a write to every sibling sharing a class, but wired writeTargetSelector into only two paths. The same bug was still reachable from the add-animation button, drag, resize, rotate, gesture recording, and the property panel: each derived its target from selectorFromSelection, which hands back a bare class for an id-less element, so one edit authored a tween over all five siblings and the timeline collapsed their rows into one. Route every path that authors a NEW tween through the existing ladder: - ensureElementAddressable now accepts selection.selector only when it addresses exactly one element, so the id-minting fallback right below it (previously unreachable whenever any selector was present) does the work. - gsapDragCommit's five new-tween branches go through one newTweenTarget helper; instant patches reuse the written target so the runtime moves the element the source write names. - useGestureCommit and useAnimatedPropertyCommit keep the existing selector for matching/retargeting and author new tweens with a separate write selector. Retargets of an EXISTING tween are deliberately untouched: they keep anim.targetSelector, so a tween aimed at a whole group stays aimed at it. Narrowing the write alone regressed idempotency, verified by test: the "is there already a write for this element" lookups matched targetSelector by string, so the next nudge missed the write it had just made and appended a second, conflicting one. The read half now falls back to the live DOM (tweenTargetsElement, same contract as getAnimationsForElement), which also still matches a deliberate group tween. Tests reproduce each site through a real writer, re-parse with the real parser, and resolve through resolveSelectorElementIds (what feeds the keyframe cache and the lanes), plus pins for the new-tween vs retarget-existing distinction so a future change cannot collapse the two.